The subject of Gender influence on brain lateralization is a topic that has been explored in the scientific community. The consensus to this point is that gender does have an effect on lateralization and language. In proving this, it is important that the connection between gender differences in lateralization is established. After gender's effect on lateralization is explained, I will provide research about lateralization's effect on language, thereby directly linking gender's effect on language.
[...] SEXUAL ORIENTATION AND LATERALIZATION'S EFFECT ON LANGUAGE Without further evidence in this area, one could still validly assume that since sexual orientation has an effect on lateralization it would subsequently have an effect on language. But, there is research that can support this claim together with the inference just mentioned. Gotestam (2001) recorded a larger percentage of dyslexics in homosexual men than in heterosexual men. The male related disorder of dyslexia increases in homosexuals implicating that the changes in lateralization do effect language, specifically phonological abilities. [...]
[...] CONCLUSIONS AND IMPLICATIONS The conclusions of this study are based on the findings of differences within and between gender and it's relation to prenatal testosterone. First of all, Females lateralize phonological tasks differently then males due to females lower amounts of prenatal testosterone. In addition, gay men and heterosexual men lateralize phonological tasks differently as well, possibly due to gay males high exposure to prenatal T. Expanding on these concrete conclusions, it is possible that prenatal T could effect sexual orientation of males. [...]
[...] Thus far we can assert that gender effects lateralization and phonological language (as seen in dyslexia and the increases in left- handedness). Gender and Lateralization's Effect on Phonological Proficiency If males tend to have deficiencies in phonological ability (dyslexia) through rightward shifts of laterality in language areas, we would expect to see the opposite in women. This effect is seen in females. Females do perform better on phonological tasks than males (Halpern, 1992). Thus we can correlate the bi-lateral activity of the inferior frontal cortex (still left dominant) with woman and phonological high proficiency. [...]
[...] Gender and Lateralization's effect on Language In order to best understand Gender and Lateralization's effect on language, an indicator of phonological ability that is testable and related to lateralization and gender must be explained. Dyslexia, a phonological impairment that does not correlated to intelligence and normal achievement leads mention in literature connecting these variables. So, to quantify gender and lateralization's effect on language I will present Genders and lateralization's effect on dyslexia (phonological impairment disorder), and with gender and lateralization's effect on phonological proficiency. [...]
[...] During the next portion of this paper, I will discuss the influence of prenatal testosterone in explaining the differences of gender and sexual orientation in lateralization and language. PRENATAL TESTOSTERONE IN LATERALIZATION Because these effects seem so inter-related, it would be logical to think that there could be a cause to the differences between and within gender and lateralization. Prenatal testosterone could be this cause. Grimshaw et al. (2001) followed a small sample of children throughout their development. Grimshaw took samples from the foetus to determine the levels of prenatal testosterone for the future child. [...]
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